Bending stiffness of unsymmetrical multilayered corrugated board: Influence of boundary conditions

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dc.abstract.enIn laboratory practice, several standards for testing the bending stiffness of corrugated board are used. There are often cases of tests where the results depend on the way the sample is placed on the supports. The problem arises when the board is five-ply (with two corrugated layers with different corrugation heights) or when the board has asymmetrically selected papers on the flat layers. This article focuses on the problem related to boundary conditions, with particular attention to the local effects of the support of the sample. Because the cardboard layers, both flat and corrugated, have a small thickness, a slight deformation of the papers can always be observed at the point of contact between the sample and the support, which affects the readings of the measured stiffness. The paper presents theoretical and numerical analyses showing how much the method of supporting the sample affects the measured bending stiffness of various samples. Numerical observations were compared with the results of analyses presented by other scientists as well as with experimental results.
dc.affiliationWydział Inżynierii Środowiska i Inżynierii Mechanicznej
dc.affiliation.instituteKatedra Inżynierii Biosystemów
dc.contributor.authorMrówczyński, Damian
dc.contributor.authorPozorska, Jolanta
dc.contributor.authorGarbowski, Tomasz
dc.contributor.authorPozorski, Zbigniew
dc.date.access2025-06-06
dc.date.accessioned2025-09-17T12:12:17Z
dc.date.available2025-09-17T12:12:17Z
dc.date.copyright2023-09-20
dc.date.issued2023
dc.description.abstract<jats:p>In laboratory practice, several standards for testing the bending stiffness of corrugated board are used. There are often cases of tests where the results depend on the way the sample is placed on the supports. The problem arises when the board is five-ply (with two corrugated layers with different corrugation heights) or when the board has asymmetrically selected papers on the flat layers. This article focuses on the problem related to boundary conditions, with particular attention to the local effects of the support of the sample. Because the cardboard layers, both flat and corrugated, have a small thickness, a slight deformation of the papers can always be observed at the point of contact between the sample and the support, which affects the readings of the measured stiffness. The paper presents theoretical and numerical analyses showing how much the method of supporting the sample affects the measured bending stiffness of various samples. Numerical observations were compared with the results of analyses presented by other scientists as well as with experimental results.</jats:p>
dc.description.accesstimeat_publication
dc.description.additionalDokument elektroniczny
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if1,3
dc.description.number4
dc.description.points100
dc.description.versionfinal_published
dc.description.volume18
dc.identifier.doi10.15376/biores.18.4.7611-7628
dc.identifier.issn1930-2126
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/4892
dc.identifier.weblinkhttp://bioresources.cnr.ncsu.edu/resources/bending-stiffness-of-unsymmetrical-multilayered-corrugated-board-influence-of-boundary-conditions
dc.languageen
dc.relation.ispartofBioResources
dc.relation.pages7611-7628
dc.rightsOther
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.encorrugated board
dc.subject.enbending stiffness
dc.subject.enmultilayer unsymmetrical panels
dc.subject.enboundary conditions
dc.subject.enfinite element analysis
dc.titleBending stiffness of unsymmetrical multilayered corrugated board: Influence of boundary conditions
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue4
oaire.citation.volume18